Footwear sole



FIG. 1 is a perspectiveview of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show portions of an upper in broken lines. The upper is shown for environmental purposes and form no part of the claimed design. 

The ornamental design for footwear sole, as shown and described. 